DE550714C - Hypodermic injection - Google Patents

Hypodermic injection

Info

Publication number
DE550714C
DE550714C DENDAT550714D DE550714DD DE550714C DE 550714 C DE550714 C DE 550714C DE NDAT550714 D DENDAT550714 D DE NDAT550714D DE 550714D D DE550714D D DE 550714DD DE 550714 C DE550714 C DE 550714C
Authority
DE
Germany
Prior art keywords
needle
syringe
hypodermic injection
cones
cone
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
DENDAT550714D
Other languages
German (de)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of DE550714C publication Critical patent/DE550714C/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/344—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub using additional parts, e.g. clamping rings or collets
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/32—Needles; Details of needles pertaining to their connection with syringe or hub; Accessories for bringing the needle into, or holding the needle on, the body; Devices for protection of needles
    • A61M5/34—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub
    • A61M5/347—Constructions for connecting the needle, e.g. to syringe nozzle or needle hub rotatable, e.g. bayonet or screw
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M2005/3117—Means preventing contamination of the medicament compartment of a syringe
    • A61M2005/3121—Means preventing contamination of the medicament compartment of a syringe via the proximal end of a syringe, i.e. syringe end opposite to needle cannula mounting end
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00—Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/178—Syringes
    • A61M5/31—Details
    • A61M5/315—Pistons; Piston-rods; Guiding, blocking or restricting the movement of the rod or piston; Appliances on the rod for facilitating dosing ; Dosing mechanisms
    • A61M5/31501—Means for blocking or restricting the movement of the rod or piston
    • A61M2005/3151—Means for blocking or restricting the movement of the rod or piston by friction

Landscapes

  • Health & Medical Sciences (AREA)
  • Vascular Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)

Description

Subkutanspritze Die Erfindung bezieht sich auf Subkutanspritzen, bei denen die Nadel an der Zwinge der Spritze mit Hilfe eines Konusses befestigt ist, der durch eine abnehmbare Haube gegen die Nadel gedrückt wird. Bei den bereits bekannten Vorrichtungen dieser Art ist der Konus nicht oder nur über einen Teil seiner Länge geteilt, wodurch es stets schwierig und manchmal sogar unmöglich ist, die Nadel herauszunehmen, sei es, daß sie zufällig zerbrochen, festgeklemmt oder durch zu starkes Ansprechen eingeklemmt ist.Hypodermic syringe The invention relates to hypodermic syringes, at where the needle is attached to the syringe's ferrule with the help of a cone, which is pressed against the needle by a removable hood. With the already known Devices of this type are not the cone or only over part of its length divided, making it difficult and sometimes even impossible to use the needle take out, be it that it broke accidentally, stuck or through to strong response is jammed.

Diese Nachteile werden durch die Spritze gemäß der Erfindung vermieden, die dadurch gekennzeichnet ist, daß der Konus, der zur Befestigung der Nadel dient, über seine ganze Länge derart gespalten ist, daß er zwei einzelne Teile, d. h. zwei Halbkonusse, bildet. Dies gestattet ein leichtes Herausnehmen der Nadel, indem die beiden Halbkonusse nach Entfernen der Klemmhaube sich von selbst trennen und gleichzeitig in einem einzigen Arbeitsgang sowohl die Befestigung der Nadel als auch die Pressung des Bleikopfes der Nadel gegen die Zwinge der Spritze herbeiführen.These disadvantages are avoided by the syringe according to the invention, which is characterized in that the cone, which is used to attach the needle, is split over its entire length in such a way that it has two separate parts, i.e. H. two Half-cones, forms. This allows easy removal of the needle by pulling the Both half-cones separate by themselves after removing the clamping hood and at the same time both the attachment of the needle and the pressing in a single operation of the lead head of the needle against the ferrule of the syringe.

Auf den Zeichnungen ist ein Ausführungsbeispiel der Erfindung dargestellt.An exemplary embodiment of the invention is shown in the drawings.

Fig. i ist eine Ansicht der Spritze; Fig.2 ist ein Längsschnitt; Fig. 3 und 4 zgigen in Ansicht und von unten eine der Hälften des Konusses.Figure i is a view of the syringe; Fig. 2 is a longitudinal section; Fig. 3 and 4 show one of the halves of the cone in a view and from below.

In dem Spritzenkörper i befindet sich ein Kolben 2. Der Körper i endigt in einem zylindrischen Teil 3 von geringerem Durchmesser, gegen dessen Ende sich der Kopf 4 der Nadel 5 anlegt. Die Nadel 5 ist in einer ltegelstumpfförmigen Spitze 6 gehalten, die in zwei Halbkonusse gespalten und auf dem Teil 3 mittels einer durch Bajonettverschluß gehaltenen Klemmhaube 7 befestigt ist.A plunger 2 is located in the syringe body i. The body i ends in a cylindrical part 3 of smaller diameter, towards the end of which the head 4 of the needle 5 rests. The needle 5 is in a frustoconical tip 6 held that split into two half-cones and on the part 3 by means of a Bayonet lock held clamping hood 7 is attached.

Der Kolben 2 trägt vorzugsweise einen Ansatz i i, der in eine entsprechende Nut 12 des Ringteiles 9 eingreifen kann und der es ermöglicht, den Ring 9 mit dem Kolben 2 zu drehen.The piston 2 preferably has a shoulder ii which can engage in a corresponding groove 12 of the ring part 9 and which makes it possible to rotate the ring 9 with the piston 2.

Die Dichtung 13 besteht z. B. aus Asbestschnur.The seal 13 consists, for. B. from asbestos cord.

Claims (2)

PATENTANSPRÜCHE: i. Subkutanspritze, dadurch gekennzeichnet, daß die Nadel in der Zwinge mit Hilfe von zwei Halbkonussen befestigt ist, die durch eine abnehmbare Haube gegeneinander und gegen die Nadel gedrückt werden. PATENT CLAIMS: i. Hypodermic syringe, characterized in that the The needle is attached to the ferrule with the help of two half-cones, which are connected by a removable hoods are pressed against each other and against the needle. 2. Spritze nach Anspruch i, dadurch gekennzeichnet, daß die Haube (7) durch einen Bajonettverschluß auf der Zwinge (3) gehalten wird.2. Syringe after Claim i, characterized in that the hood (7) is secured by a bayonet lock is held on the clamp (3).
DENDAT550714D Hypodermic injection Expired DE550714C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE550714T

Publications (1)

Publication Number Publication Date
DE550714C true DE550714C (en) 1932-05-14

Family

ID=6562776

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT550714D Expired DE550714C (en) Hypodermic injection

Country Status (1)

Country Link
DE (1) DE550714C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930869A1 (en) * 1978-08-23 1980-03-06 Hewlett Packard Co PRESSURE MEASURING CAPSULE, IN PARTICULAR FOR BLOOD PRESSURE MEASUREMENTS

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2930869A1 (en) * 1978-08-23 1980-03-06 Hewlett Packard Co PRESSURE MEASURING CAPSULE, IN PARTICULAR FOR BLOOD PRESSURE MEASUREMENTS

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